:root{--bg:#0b1018;--glass:#0e141ec7;--glass-strong:#0e141eeb;--line:#a0bedc29;--text:#e8eef6;--muted:#8e9db0;--accent:#5ef0ff;--accent-ink:#062a30;--ok:#7dffa0;--warn:#ffb347;--danger:#ff6b6b;--gate:#ffc857;--radius:14px;--shadow:0 10px 40px #00000073;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;font-family:Inter,Hiragino Sans,Noto Sans JP,system-ui,sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;margin:0;overflow:hidden}button,input,select{font:inherit;color:inherit}.app{--credit-extra:0px;position:fixed;inset:0}.app.has-credit{--credit-extra:30px}.sr-only{clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.viewport{z-index:0;position:absolute;inset:0}.gteki-canvas{touch-action:none;width:100%;height:100%;display:block}.gteki-labels{z-index:1;pointer-events:none;position:absolute;inset:0}.topbar{z-index:5;padding:calc(10px + env(safe-area-inset-top)) 16px 10px;pointer-events:none;background:linear-gradient(#0b1018eb,#0b101800);align-items:center;gap:12px;display:flex;position:absolute;top:0;left:0;right:0}.topbar>*{pointer-events:auto}.brand{align-items:baseline;gap:10px;min-width:0;display:flex}.logo{letter-spacing:.04em;color:var(--accent);text-shadow:0 0 18px #5ef0ff73;font-size:20px;font-weight:800}.tagline{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.station-select{background:var(--glass);border:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:10px;max-width:46vw;margin-left:auto;padding:8px 12px}.top-actions{gap:6px;display:flex}button{cursor:pointer;border:1px solid var(--line);background:#ffffff0f;border-radius:10px;padding:8px 12px;transition:background .15s,border-color .15s,transform 80ms}button:hover{background:#ffffff1f}button:active{transform:scale(.97)}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}button.primary{background:var(--accent);color:var(--accent-ink);border-color:#0000;font-weight:700;box-shadow:0 0 24px #5ef0ff59}button.primary:hover{background:#8cf6ff}button.ghost{background:0 0}button.on{border-color:var(--accent);color:var(--accent)}.panel{z-index:4;top:calc(58px + env(safe-area-inset-top));border-radius:var(--radius);background:var(--glass);border:1px solid var(--line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);width:min(400px,100vw - 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